| | |
| | | | program/include/main.inc | |
| | | | | |
| | | | This file is part of the RoundCube Webmail client | |
| | | | Copyright (C) 2005-2008, RoundCube Dev, - Switzerland | |
| | | | Copyright (C) 2005-2009, RoundCube Dev, - Switzerland | |
| | | | Licensed under the GNU GPL | |
| | | | | |
| | | | PURPOSE: | |
| | |
| | | * Garbage collector for cache entries. |
| | | * Remove all expired message cache records |
| | | */ |
| | | function rcmail_message_cache_gc() |
| | | function rcmail_cache_gc() |
| | | { |
| | | global $DB, $CONFIG; |
| | | |
| | | // no cache lifetime configured |
| | | if (empty($CONFIG['message_cache_lifetime'])) |
| | | return; |
| | | $rcmail = rcmail::get_instance(); |
| | | $db = $rcmail->get_dbh(); |
| | | |
| | | // get target timestamp |
| | | $ts = get_offset_time($CONFIG['message_cache_lifetime'], -1); |
| | | $ts = get_offset_time($rcmail->config->get('message_cache_lifetime', '30d'), -1); |
| | | |
| | | $DB->query("DELETE FROM ".get_table_name('messages')." |
| | | WHERE created < ".$DB->fromunixtime($ts)); |
| | | $db->query("DELETE FROM ".get_table_name('messages')." |
| | | WHERE created < " . $db->fromunixtime($ts)); |
| | | |
| | | $db->query("DELETE FROM ".get_table_name('cache')." |
| | | WHERE created < " . $db->fromunixtime($ts)); |
| | | } |
| | | |
| | | |
| | |
| | | */ |
| | | function rcube_charset_convert($str, $from, $to=NULL) |
| | | { |
| | | static $mbstring_loaded = null, $convert_warning = false; |
| | | static $mbstring_loaded = null; |
| | | static $mbstring_list = null; |
| | | static $convert_warning = false; |
| | | |
| | | $from = strtoupper($from); |
| | | $to = $to==NULL ? strtoupper(RCMAIL_CHARSET) : strtoupper($to); |
| | | $error = false; $conv = null; |
| | | |
| | | if ($from==$to || $str=='' || empty($from)) |
| | | # RFC1642 |
| | | if ($from == 'UNICODE-1-1-UTF-7') |
| | | $from = 'UTF-7'; |
| | | if ($to == 'UNICODE-1-1-UTF-7') |
| | | $to = 'UTF-7'; |
| | | |
| | | if ($from == $to || empty($str) || empty($from)) |
| | | return $str; |
| | | |
| | | $aliases = array( |
| | |
| | | ); |
| | | |
| | | // convert charset using iconv module |
| | | if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') |
| | | { |
| | | if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') { |
| | | $aliases['GB2312'] = 'GB18030'; |
| | | $_iconv = iconv(($aliases[$from] ? $aliases[$from] : $from), ($aliases[$to] ? $aliases[$to] : $to) . "//IGNORE", $str); |
| | | if ($_iconv !== false) |
| | | { |
| | | if ($_iconv !== false) { |
| | | return $_iconv; |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | if (is_null($mbstring_loaded)) |
| | | $mbstring_loaded = extension_loaded('mbstring'); |
| | | |
| | | // convert charset using mbstring module |
| | | if ($mbstring_loaded) |
| | | { |
| | | if ($mbstring_loaded) { |
| | | $aliases['UTF-7'] = 'UTF7-IMAP'; |
| | | $aliases['WINDOWS-1257'] = 'ISO-8859-13'; |
| | | |
| | | // return if convert succeeded |
| | | if (($out = mb_convert_encoding($str, ($aliases[$to] ? $aliases[$to] : $to), ($aliases[$from] ? $aliases[$from] : $from))) != '') |
| | | return $out; |
| | | if (is_null($mbstring_list)) { |
| | | $mbstring_list = mb_list_encodings(); |
| | | $mbstring_list = array_map('strtoupper', $mbstring_list); |
| | | } |
| | | |
| | | |
| | | $mb_from = $aliases[$from] ? $aliases[$from] : $from; |
| | | $mb_to = $aliases[$to] ? $aliases[$to] : $to; |
| | | |
| | | // return if encoding found, string matches encoding and convert succeeded |
| | | if (in_array($mb_from, $mbstring_list) && in_array($mb_to, $mbstring_list)) { |
| | | if (mb_check_encoding($str, $mb_from) && ($out = mb_convert_encoding($str, $mb_to, $mb_from))) |
| | | return $out; |
| | | } |
| | | } |
| | | |
| | | # try to convert with custom classes |
| | | if (class_exists('utf8')) |
| | | $conv = new utf8(); |
| | | |
| | | // convert string to UTF-8 |
| | | if ($from == 'UTF-7') |
| | | $str = utf7_to_utf8($str); |
| | | else if (($from == 'ISO-8859-1') && function_exists('utf8_encode')) |
| | | if ($from == 'UTF-7') { |
| | | if ($_str = utf7_to_utf8($str)) |
| | | $str = $_str; |
| | | else |
| | | $error = true; |
| | | } |
| | | else if (($from == 'ISO-8859-1') && function_exists('utf8_encode')) { |
| | | $str = utf8_encode($str); |
| | | else if ($from != 'UTF-8' && $conv) |
| | | { |
| | | } |
| | | else if ($from != 'UTF-8' && $conv) { |
| | | $conv->loadCharset($from); |
| | | $str = $conv->strToUtf8($str); |
| | | } |
| | | } |
| | | else if ($from != 'UTF-8') |
| | | $error = true; |
| | | |
| | | // encode string for output |
| | | if ($to == 'UTF-7') |
| | | if ($to == 'UTF-7') { |
| | | return utf8_to_utf7($str); |
| | | else if ($to == 'ISO-8859-1' && function_exists('utf8_decode')) |
| | | } |
| | | else if ($to == 'ISO-8859-1' && function_exists('utf8_decode')) { |
| | | return utf8_decode($str); |
| | | else if ($to != 'UTF-8' && $conv) |
| | | { |
| | | } |
| | | else if ($to != 'UTF-8' && $conv) { |
| | | $conv->loadCharset($to); |
| | | return $conv->utf8ToStr($str); |
| | | } |
| | | else if ($to != 'UTF-8') |
| | | } |
| | | else if ($to != 'UTF-8') { |
| | | $error = true; |
| | | |
| | | } |
| | | |
| | | // report error |
| | | if ($error && !$convert_warning) |
| | | { |
| | | if ($error && !$convert_warning){ |
| | | raise_error(array( |
| | | 'code' => 500, |
| | | 'type' => 'php', |
| | | 'file' => __FILE__, |
| | | 'message' => "Could not convert string charset. Make sure iconv is installed or lib/utf8.class is available" |
| | | 'message' => "Could not convert string from $from to $to. Make sure iconv is installed or lib/utf8.class is available" |
| | | ), true, false); |
| | | |
| | | $convert_warning = true; |
| | | } |
| | | } |
| | | |
| | | // return UTF-8 string |
| | | return $str; |
| | |
| | | } |
| | | |
| | | $xml_rep_table['"'] = '"'; |
| | | $js_rep_table['"'] = '\\"'; |
| | | $js_rep_table["'"] = "\\'"; |
| | | $js_rep_table["\\"] = "\\\\"; |
| | | } |
| | | |
| | | // encode for XML |
| | |
| | | if ($charset!='UTF-8') |
| | | $str = rcube_charset_convert($str, RCMAIL_CHARSET,$charset); |
| | | |
| | | return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), addslashes(strtr($str, $js_rep_table))); |
| | | return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), strtr($str, $js_rep_table)); |
| | | } |
| | | |
| | | // no encoding given -> return original string |
| | |
| | | * @param string Container ID to use as prefix |
| | | * @return string Modified CSS source |
| | | */ |
| | | function rcmail_mod_css_styles($source, $container_id, $base_url = '') |
| | | function rcmail_mod_css_styles($source, $container_id) |
| | | { |
| | | $a_css_values = array(); |
| | | $last_pos = 0; |
| | | $replacements = new rcube_string_replacer; |
| | | |
| | | // ignore the whole block if evil styles are detected |
| | | $stripped = preg_replace('/[^a-z\(:]/', '', rcmail_xss_entitiy_decode($source)); |
| | | if (preg_match('/expression|behavior|url\(|import/', $stripped)) |
| | | return ''; |
| | | return '/* evil! */'; |
| | | |
| | | // cut out all contents between { and } |
| | | while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) |
| | | { |
| | | $key = sizeof($a_css_values); |
| | | $a_css_values[$key] = substr($source, $pos+1, $pos2-($pos+1)); |
| | | $source = substr($source, 0, $pos+1) . "<<str_replacement[$key]>>" . substr($source, $pos2, strlen($source)-$pos2); |
| | | $key = $replacements->add(substr($source, $pos+1, $pos2-($pos+1))); |
| | | $source = substr($source, 0, $pos+1) . $replacements->get_replacement($key) . substr($source, $pos2, strlen($source)-$pos2); |
| | | $last_pos = $pos+2; |
| | | } |
| | | |
| | | |
| | | // remove html comments and add #container to each tag selector. |
| | | // also replace body definition because we also stripped off the <body> tag |
| | | $styles = preg_replace( |
| | | array( |
| | | '/(^\s*<!--)|(-->\s*$)/', |
| | | '/(^\s*|,\s*|\}\s*)([a-z0-9\._#][a-z0-9\.\-_]*)/im', |
| | | '/@import\s+(url\()?[\'"]?([^\)\'"]+)[\'"]?(\))?/ime', |
| | | '/<<str_replacement\[([0-9]+)\]>>/e', |
| | | "/$container_id\s+body/i" |
| | | "/$container_id\s+body/i", |
| | | ), |
| | | array( |
| | | '', |
| | | "\\1#$container_id \\2", |
| | | "sprintf(\"@import url('./bin/modcss.php?u=%s&c=%s')\", urlencode(make_absolute_url('\\2','$base_url')), urlencode($container_id))", |
| | | "\$a_css_values[\\1]", |
| | | "$container_id div.rcmBody" |
| | | "$container_id div.rcmBody", |
| | | ), |
| | | $source); |
| | | |
| | | // put block contents back in |
| | | $styles = $replacements->resolve($styles); |
| | | |
| | | return $styles; |
| | | } |
| | |
| | | function rcmail_xss_entitiy_decode($content) |
| | | { |
| | | $out = html_entity_decode(html_entity_decode($content)); |
| | | $out = preg_replace('/\\\([0-9a-f]{4})/ie', "chr(hexdec('\\1'))", $out); |
| | | $out = preg_replace_callback('/\\\([0-9a-f]{4})/i', 'rcmail_xss_entitiy_decode_callback', $out); |
| | | $out = preg_replace('#/\*.*\*/#Um', '', $out); |
| | | return $out; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * preg_replace_callback callback for rcmail_xss_entitiy_decode_callback |
| | | * |
| | | * @param array matches result from preg_replace_callback |
| | | * @return string decoded entity |
| | | */ |
| | | function rcmail_xss_entitiy_decode_callback($matches) |
| | | { |
| | | return chr(hexdec($matches[1])); |
| | | } |
| | | |
| | | /** |
| | | * Compose a valid attribute string for HTML tags |
| | |
| | | function parse_attrib_string($str) |
| | | { |
| | | $attrib = array(); |
| | | preg_match_all('/\s*([-_a-z]+)=(["\'])??(?(2)([^\2]+)\2|(\S+?))/Ui', stripslashes($str), $regs, PREG_SET_ORDER); |
| | | preg_match_all('/\s*([-_a-z]+)=(["\'])??(?(2)([^\2]*)\2|(\S+?))/Ui', stripslashes($str), $regs, PREG_SET_ORDER); |
| | | |
| | | // convert attributes to an associative array (name => value) |
| | | if ($regs) |
| | |
| | | $ts = $date; |
| | | else if (!empty($date)) |
| | | { |
| | | // support non-standard "GMTXXXX" literal |
| | | $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); |
| | | // if date parsing fails, we have a date in non-rfc format. |
| | | // remove token from the end and try again |
| | | while ((($ts = @strtotime($date))===false) || ($ts < 0)) |
| | |
| | | { |
| | | global $CONFIG; |
| | | |
| | | $cname = null; |
| | | $folder_lc = strtolower($folder_id); |
| | | |
| | | // for these mailboxes we have localized labels and css classes |
| | | foreach (array('inbox', 'sent', 'drafts', 'trash', 'junk') as $smbx) |
| | | foreach (array('sent', 'drafts', 'trash', 'junk') as $smbx) |
| | | { |
| | | if ($folder_lc == $smbx || $folder_id == $CONFIG[$smbx.'_mbox']) |
| | | $cname = $smbx; |
| | | if ($folder_id == $CONFIG[$smbx.'_mbox']) |
| | | return $smbx; |
| | | } |
| | | |
| | | return $cname; |
| | | |
| | | if ($folder_id == 'INBOX') |
| | | return 'inbox'; |
| | | } |
| | | |
| | | |
| | |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Output HTML editor scripts |
| | | * |
| | | * @param string Editor mode |
| | | */ |
| | | function rcube_html_editor($mode='') |
| | | { |
| | | global $OUTPUT, $CONFIG; |
| | | |
| | | $lang = $tinylang = strtolower(substr($_SESSION['language'], 0, 2)); |
| | | if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$tinylang.'.js')) |
| | | $tinylang = 'en'; |
| | | |
| | | $OUTPUT->include_script('tiny_mce/tiny_mce.js'); |
| | | $OUTPUT->include_script('editor.js'); |
| | | $OUTPUT->add_script('rcmail_editor_init("$__skin_path", "'.JQ($tinylang).'", '.intval($CONFIG['enable_spellcheck']).', "'.$mode.'");'); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Helper class to turn relative urls into absolute ones |
| | | * using a predefined base |
| | | */ |
| | | class rcube_base_replacer |
| | | { |
| | | private $base_url; |
| | | |
| | | public function __construct($base) |
| | | { |
| | | $this->base_url = $base; |
| | | } |
| | | |
| | | public function callback($matches) |
| | | { |
| | | return $matches[1] . '="' . make_absolute_url($matches[3], $this->base_url) . '"'; |
| | | } |
| | | } |
| | | |
| | | ?> |